diff --git a/package.json b/package.json
index 691aded..ae6adce 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "name": "prettier-setup",
   "license": "MIT",
   "devDependencies": {
-    "eslint": "4.19.0",
+    "eslint": "4.19.1",
     "eslint-config-prettier": "2.9.0",
     "eslint-plugin-prettier": "2.6.0",
     "husky": "0.14.3",
diff --git a/yarn.lock b/yarn.lock
index b7a0d23..035b13b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -257,6 +257,10 @@ browser-resolve@^1.11.2:
   dependencies:
     resolve "1.1.7"
 
+buffer-from@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.0.0.tgz#4cb8832d23612589b0406e9e2956c17f06fdf531"
+
 cache-base@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cache-base/-/cache-base-1.0.1.tgz#0a7f46416831c8b662ee36fe4e7c59d76f666ab2"
@@ -399,9 +403,10 @@ concat-map@0.0.1:
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
 
 concat-stream@^1.6.0:
-  version "1.6.1"
-  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.1.tgz#261b8f518301f1d834e36342b9fea095d2620a26"
+  version "1.6.2"
+  resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
   dependencies:
+    buffer-from "^1.0.0"
     inherits "^2.0.3"
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
@@ -591,9 +596,9 @@ eslint-visitor-keys@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#3f3180fb2e291017716acb4c9d6d5b5c34a6a81d"
 
-eslint@4.19.0:
-  version "4.19.0"
-  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.19.0.tgz#9e900efb5506812ac374557034ef6f5c3642fc4c"
+eslint@4.19.1:
+  version "4.19.1"
+  resolved "https://registry.yarnpkg.com/eslint/-/eslint-4.19.1.tgz#32d1d653e1d90408854bfb296f076ec7e186a300"
   dependencies:
     ajv "^5.3.0"
     babel-code-frame "^6.22.0"